Home / 61,704.31-85,160.39-35,509.75

Finding the Fourth Proportional to 61,704.31, 85,160.39 and 35,509.75

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Solution

The fourth proportional to 61,704.31, 85,160.39 and 35,509.75 is: 49,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,704.31 : 85,160.39 = 35,509.75 : x
  2. Step 2: Convert to fraction form
    61,704.31/85,160.39 = 35,509.75/x
  3. Step 3: Cross multiply
    61,704.31x = 85,160.39 × 35,509.75
  4. Step 4: Simplify right side
    61,704.31x = 3,024,023,733.00
  5. Step 5: Solve for x
    x = 3,024,023,733.00/61,704.31
  6. Step 6: Final answer
    x = 49,008.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.